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CSI Mystery

Multiplication & Division CSI Mystery Worksheets

Grades 3–7 · The Zombie Cure

3rd Grade3rd Grade Math4th Grade4th Grade Math5th Grade5th Grade Math6th Grade MathGrade 3Grade 4Grade 5Grade 6Grade 7Answer keys included

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Inside the case file

Are you looking for multiplication and division worksheets wrapped inside an engaging CSI Mystery Detective? This printable CSI Mystery Detective is a no-prep math activity designed for Grades 3, 4, 5, 6, and 7, and includes CSI math worksheets and activities where students solve multiplication and division problems to uncover clues and eliminate options. Perfect for math centers, back-to-school activities, end-of-year review, early finishers, sub plans, and homeschool math, this resource keeps students focused, motivated, and actively problem-solving.

About This CSI Mystery Detective

A zombie outbreak has occurred, and scientists have developed several possible cures. However, only one cure is correct. Students take on the role of CSI Math Investigators, using multiplication and division clues to gather evidence and eliminate incorrect cure options. With each solved clue, students narrow down the possibilities until the correct zombie cure is revealed.

What's Included in This Case?

  • Multiplication and division problems (facts up to 12 × 12)
  • Multiple CSI-style math clue worksheets
  • Cure elimination / evidence checklist
  • Clear student instructions
  • Answer keys for all activities
  • Printable PDF format

Perfect for a Variety of Classrooms & Uses

  • Math centers and stations
  • Back-to-school math activities
  • End-of-year math review
  • Independent or partner work
  • Early finisher activities
  • Sub plans and low-prep days
  • Homeschool math lessons

Grade Level Flexibility

This CSI Mystery Detective is designed primarily for Grades 4 and 5, but it can also be used successfully with:

  • Grade 3 students needing challenge or enrichment
  • Grade 6 and 7 students requiring review, intervention, or confidence-building practice

What Is a CSI Mystery Detective?

A CSI Mystery Detective is a printable, escape-room-style math activity where students solve math problems to uncover clues and eliminate incorrect options. Instead of locks or digital tools, students rely on math reasoning, logic, and problem-solving to solve the case. These mysteries are engaging, no-prep, and designed to be completed in one class period.

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